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Robust stability for delayed port-Hamiltonian systems using improved Wirtinger-based inequality

Abstract : This paper addresses robust stability issues of interconnected port-Hamiltonian systems with polytopic uncertainty and time-varying delay. On the basis of a Lyapunov-Krasovskii functional and the Wirtinger's inequality (known to be less conservative than the popular Jensen's inequality) we show the improvements of the newly proposed criterion with respect to other existing ones. The stability analysis is derived based on a delay independent criterion. A classical nonlinear example taken from the literature illustrates the relevance of the results.
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Said Aoues, Warody Lombardi, Damien Eberard, Alexandre Seuret. Robust stability for delayed port-Hamiltonian systems using improved Wirtinger-based inequality. 53rd IEEE CDC, Dec 2014, Los Angeles, CA, United States. pp.3119 - 3124, ⟨10.1109/CDC.2014.7039870⟩. ⟨hal-01587470⟩

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